常见注解

	
	@Value("${some.key:my default value}")
	private String stringWithDefaultValue;

	@Value("#{${weixin.users}}")
	private Map<String, String> users;
	
	@Value("#{'${weixin.all_user}'.split(',')}")
    private List<String> weixinUserIds;

	weixin.users={liming:'oU2Rp06X0MzRkRwKjPS-UeT2C3V4',liuliu:'value2'}
	weixin.all_user=liming,liuliu